National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

LA HONDA (LAHC1)

Lat: 37.30523°NLon: 122.25525°WElev: 804.0ft.

NA

57°F

14°C

Humidity 88%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 18 Jun 01:07 AM PDT
Extended Forecast for

7 Miles S Portola Valley CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.

    High: 69 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 54. Light south wind.

    Low: 54 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 65 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. South southwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 57. Calm wind.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 54. Light south wind.
Juneteenth
Cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 53. South southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 72.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 52.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 74.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Portola Valley CA
 37.28°N 122.23°W (Elev. 807 ft)
Last Update:
1:26 am PDT Jun 18, 2026
Forecast Valid:
1am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation